Ziabeam

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    Ziabeam
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    My Beeman RX-2 shooting JSB 13.43 gr Monsters at around 940fps is accurate and hits hard for what it is. Not my go to .177 for under 25 yards due to over-penetration with that pellet on anything squirrel size or smaller. Is respected (by me) on any rodent sized (and up) vermin well beyond 25 yards due to its BC.

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    Ziabeam
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    eodman

    I installed the white plastic spacer as per the instructions. My gun is about a year and half old. The serial number is 1812xx as per the instruction sheet that makes it a gen 2 by Huma manual. my real concern is why can't I get any higher than 45 bar when I reinstalled the original regulator. The piston is 16mm with 8mm washers. What is the correct number of washers for this piston and what way do they go on the piston. 

     

    Mine  (stock reg) had 14 washers. Two of which were approx .011" thick, the rest (other 12) were roughly .014"

     

    My Huma reg came with an assortment which were "supposedly" two different strengths or colors (green and yellow or "A" and "B")…

    Unfortunately one variant (baggie) supplied by Huma had two (of eight) washers that were just over ,016" adjacent to the remaining six which were  a shade under .014" thick.Two of the "oddball" stock shims were close enough to the thinner shims furnished by Huma, which I substituted in order to avoid delay/contesting integrity of furnished product. In the end my Huma reg is working well.

     

    In summary…. The Huma reg parcel while superior, did provide marginal component integrity.

     

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    Ziabeam
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    Bob_O

    … would this be more a fit and finish or QC issue rather than a defect? …

    Please understand, by "Defect" I mean their manufacturing process produced late-stage detractors that marred previous sublime refinements.

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    Ziabeam
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    Bob_O

    Beautiful pics and a well written post.

    Being that the barrel shoots very well, would this be more a fit and finish or QC issue rather than a defect?  

    What's your opinion on whether those marks would be smoothed out over the course of 100 or more pellets

    Bob_O

    Beautiful pics and a well written post.

    Being that the barrel shoots very well, would this be more a fit and finish or QC issue rather than a defect?  

    What's your opinion on whether those marks would be smoothed out over the course of 100 or more pellets?

    First of all thank you for the measured and cordial response.

    I believe in this airgun and FX's innovative approach to refined pellet placement… I'll smooth out those tooling marks whilst attempting to forget they ever existed, knowing their mitigated presence  is unlikely to completely vanquish their occasional influence, or my paranoid insistence that their unfortunate origins might lead to bad things.

    If they were unavoidable I'd  not be so dismayed lol.

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    Ziabeam
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    Post action report;

     

    Installed the Huma reg along with new 9×1.5 o-ring and the leak is gone. Holds pressure very well and recovers to reg setting much faster, with far less upward pressure creep even after several days. Does creep about 1/2 bar at or around 250 bottle pressure if left to simmer a day or so…much better than before. Almost zero creep when the bottle pressure is at or below 220 

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    Ziabeam
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    JCD

    Although it would come from a little aft of the area you describe, I'm thinking its your hammer/hammer spring and would then be normal if the spring tension isn't on the high side, and maybe even then… My impacts (gone now) and my wildcats do the same from the spring/hammer sliding from end to end.

    JCD thank you !!

    Just adjusted the power wheel from MIN back up to MAX, cocked the airgun and observed a much more abbreviated transition time between clunks when tilting, meaning your explanation explains what I'm hearing.

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    Ziabeam
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    Gary I was in New Mexico from December 23rd until yesterday… nearly 3 months helping mom move into her new house after dad's passing. Have some catching up to do now that I'm back home, but this project is still on the bench and itching to resume progress.

    More to follow as able

    Ed

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    Ziabeam
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    DBrickashaw

    …. I ended up replacing the FX Regulator with a HUMA regulator. It cost $115, but should prove more durable as HUMA does not use Delrin like FX and even included little spacers in case you make the mistake of reducing while under pressure…

    Just ordered the Huma regulator.

    Thanks for all the good tips and advice.

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    Ziabeam
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    Made me smile

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    Ziabeam
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    Keyman62421

    Yep. Don't overcharge your gun , on purpose or by accident, or it will leak!

    No danger of that… I'm too lazy to pump past the recommended setting 😆

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    Ziabeam
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    Saltlake58

    I just finished rebuilding my regulator.  before taking it all apart, what's the reg pressure set at?  Anything under 120 bar will cause a leak because there are two O-rings on the center brass bit.  Under 120 or 130 bar the back o-ring doesnt' make contact and it leaks, pretty quickly….

    Ahh yesss… wondered about that !!

    I did notice an audible leak when pumping from zero pressure up to around 100 bar, then there was a sudden change in the loud hiss followed by a mellow "pop" seating sound. After that the leak was NOT audible without using the surgical-tube hearing doo-hickey to assist. yet still present. My reg pressure is a smidge over 135

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    Ziabeam
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    Bet you're right. Looks like a fun job actually

    Thank you and kudos !!

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    Ziabeam
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    Noticed in my FX Indy, as the pressure and velocity drops, the point of impact at 25 yards will rise. Guessing it's because the muzzle has slightly more time to climb whilst the projectile is dilly-dallying on its journey. Also noticed that shift is lessened if I'm holding the gun down firmly on sandbags.

    So, yes, that's one example I've found where PCP holds for a PCP can play a role.

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    Ziabeam
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    This review pushed me over the edge…

    Just ordered the 700mm .30 cal "X' barrel, two high cap mags, and side shot camera mount with 30mm and 1" adapters.

    If you never hear from me again…. my wife saw the massive bank account balance decrease

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    Ziabeam
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    Most mainline PCP mags have the same design DNA. At some point they stopped being knock-offs, and became variations. Variations of the same thing wind up coming from an increasing variety of sources…. Et al.”

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    Ziabeam
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    Very nice

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    Ziabeam
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    I have a recent manufacture unused Rekord trigger I have no use for at the moment.

    $6 delivered sound fair?

    It's a new take off from a trigger replaced in this build;

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    Ziabeam
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    reprobate

    …He says to use a drill 1.5 to 1.6 mm in the hole.

    Don't have that size in hand, …

    a 1/16" drill bit falls between those sizes.

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    Ziabeam
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    If the pump performed well, maybe a thorough teardown, de-greasing, and re-lube would keep those contaminants from re-occurring? Could have been a preservative inside the hose, pump body, check valve, etc.

    I agree with you though if it seems the pump design is at fault. In that case no precaution would help, aside from a quality means of particle filtration between the pump outlet and your AT44 inlet.An inline sintered bronze filter might be a cheap and effective recourse.

    Ed

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    Ziabeam
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    Your question is painful to hear. It would sound silly in most other states, but California laws are fickle… and as such  breed questions like yours. My uncle lived in Lookout California and was often finding out he'd unwittingly broken a new law,

    California laws vary wildly by county, at least with regards to firearms. It's safe to speculate that airguns suffer similar peril.

    In the 1980's New Mexico passed an amendment that kept any county, city or municipality from passing any firearm law stricter than state law, so knowing state law alleviated ignorance and ambiguity.

    Having said that, I can't see why a county boundary would impact shootability, since you're ALWAYS inside a county.

    I hope you find a concrete answer. Good on ya for at least trying to keep your ducks in a row.

    Ed

Viewing 20 posts - 1 through 20 (of 465 total)